#!/usr/bin/env python
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__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"

"""
Verify that we don't perform Configure context actions when the
-c or --clean options have been specified.
"""

import TestSCons

test = TestSCons.TestSCons(match = TestSCons.match_re_dotall)

test.write('SConstruct', """\
env = Environment()
import os
env.AppendENVPath('PATH', os.environ['PATH'])
conf = Configure(env, clean=int(ARGUMENTS['clean']))
r1 = conf.CheckCHeader( 'math.h' )
r2 = conf.CheckCHeader( 'no_std_c_header.h' ) # leads to compile error
env = conf.Finish()
Export( 'env' )
SConscript( 'SConscript' )
""")

test.write('SConscript', """\
Import( 'env' )
env.Program( 'TestProgram', 'TestProgram.c' )
""")

test.write('TestProgram.c', """\
#include <stdio.h>

int main(void) {
  printf( "Hello\\n" );
}
""")

lines = [
    "Checking for C header file math.h... ",
    "Checking for C header file no_std_c_header.h... "
]

test.run(arguments = '-c clean=0')
test.must_not_contain_any_line(test.stdout(), lines)

test.run(arguments = '-c clean=1')
test.must_contain_all_lines(test.stdout(), lines)

test.run(arguments = '--clean clean=0')
test.must_not_contain_any_line(test.stdout(), lines)

test.run(arguments = '--clean clean=1')
test.must_contain_all_lines(test.stdout(), lines)

test.pass_test()

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